662886690 has 16 divisors (see below), whose sum is σ = 1590928128. Its totient is φ = 176769776.

The previous prime is 662886689. The next prime is 662886739. The reversal of 662886690 is 96688266.

It is a super-2 number, since 2×662886690² = 878837527558312200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11048082 + ... + 11048141.

It is an arithmetic number, because the mean of its divisors is an integer number (99433008).

Almost surely, 2^662886690 is an apocalyptic number.

662886690 is an abundant number, since it is smaller than the sum of its proper divisors (928041438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662886690 is a wasteful number, since it uses less digits than its factorization.

662886690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22096233.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 662886690 is about 25746.5859872722. The cubic root of 662886690 is about 871.9262775047.

The spelling of 662886690 in words is "six hundred sixty-two million, eight hundred eighty-six thousand, six hundred ninety".